The Process of Accretion Accounts for How

question 42

Multiple Choice

The process of accretion accounts for how

• A) elements are transformed into heavier elements by nuclear reactions.
• B) giant planets differentiate into rocky cores and gaseous envelopes.
• C) clouds of interstellar gas and dust contract to form protostars.
• D) dust grains and ice crystals coalesce to form planetesimals.

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